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Патент USA US2116758

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May 10, 1938.
'R. c. JACOBS‘
2,116,758
DOOR HINGE
Filed Sept. 30, 1935
2 Sheets-Sheet l
INVENTOR.
fax C’. @6055,‘
BY % ,
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ATTORNEYS ‘
May '10, 1.938.
_ R. c. JACOBS
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2,116,758
noon HINGE
Filed Sept. 30, 1955
2 Sheets-Sheet 2
lfd/réI
INVENTOR. ‘
£92.’ Ci Jécoés,
BY
Patented May 10, 1938
' 2,116,758
UNITED STATES PATENT. OFFICE
2,116,758
' DOOR HINGE.
Rex 0. Jacobs, Detroit, Mich.
Application September so, 1935, Serial No. 42,764
3 Claims.
The present invention relates to door hinges
- of the type commonly known as concealed hinges
or, in other words, hinges which are completely
concealed from view when the door upon which
5 they are mounted is closed.
-
The primary object of the present invention is
to provide a concealed hinge which is suitable
for automobile use, particularly in combination
' with automobile bodies having walls of hollow
1° sheet metal construction. The present hinge in
cludes a plate adapted for attachment to the
side wall of the door opening,'the plate being
formed with an angularly extending arm which
projects into the hollow wall to provide a pivot
(c1. ‘16-164)
I
ing means which defines the relationship of
movements with respect to the two axes.
With the above and otherends in view the
invention consists in the matters hereinafter
more particularly pointed out with reference to 5
the accompanying drawings, in which
Figs. 1, 2 and 3 are plan. views of the hinge,
each illustrating different stages'in the operation
of the hinge;
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Fig. 4 is a section taken on the line 4-4 of Fig. 10
5, and
l
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'
Fig. '5 is a view taken on the line M of Fig. 1.
Like characters of reference are employed
throughout to designate corresponding parts.
The numeral I designates a hollow sheet metal
15 within the wall for an angularly shaped element.
One end of the angularly shaped element is piv
otally connected to the extended arm so that ‘it
wall formed according to the usual practice in
' extends outwardly, beyond the front face of the
_ plate atwhich point it is hingedlyl connected 'to
secured in adepression 2 in the end of said wall
is a hinge plate 3 having an angularly extending
20- a second plate which is adapted to be secured to
the edge of the door. Two centers of pivotal
-. movement are thus provided for the door inas-v
much as the angular element may pivot relative
-to the wall and the door may pivot relative. to
plG
constructing automobile bodies. Permanently
integral arm 4 projecting into the’ space between 20
the side members which form the wall I. In the
outer extremity of the angular arm 4 is mounted
a pivot 5 receiving one end of a substantially V
shaped element 6 to pivotally support it with re- ;
25 the angular element. In moving the door from > spect to the arm 4. At the top and bottom they 25
the closed to the open position it is necessary arm 4 is reinforced with transverse walls ‘I, one '
that the ?rst pivotal movement take place around
the angular element with respect'to the project?
ing arm ‘and after a predetermined amount of
30 such movement that the door should pivot with
respect to the angular element, and that the re
verse of such movement should take place when
the door is being moved from its open to its closed
position. Accordingly it is another object of the
35 present invention to provide means for restrict
ing and de?ning the pivotal movements around
of which extends outwardly beyond the front
face of the plate 3 forming wall 8. A substan
tially L-shaped slot 9 is formed in the upper wall .
‘I and/extends into the wall 8. On the lower wall 3"
1 is provided a lug II which restricts pivotal
movement of the element 6 in one direction, it
being noted that the arm 4 acts as means for re
stricting pivotal movement of the element 6 in .
the other direction.
-‘
_ Z
V
The‘ numeral ll designates a door of hollow
the two axes according to the direction of move- 1 sheet metal construction and having its end wall
ment of the door and this‘ is accomplished by
'
providing guide means on one plate and means
4” on the other plate which cooperates with said
guide means.
This means comprises a wall in-‘
te' ral with one plate and having a substantially
L-shaped slot into which extends a pin carried
by a projecting element on the ‘other plate, the
45 wallsof the slot engaging ‘the pin to prevent
movement of the door plate relative to the an
gular element at all times excepting when the
/ angular element is at its outermost limit of piv
56 otal movement with respect to -'the projecting
‘arm which supports the same.
1
1
Another object of the present'inventlon is to
provide means for limiting movement of the
means which provides the double hinge action,
‘5 the limiting means being separate from the guid
I! depressed. In the depressed‘ portion of the
end- wall I2 is mounted a hinge plate ,l3_ pivotally 0
connected through means of a pin II to the
other end of the V-shaped element 6. A lug
I5 is formed integral with‘the hinge plate l3 and
is adapted to engage the element 6 to restrict
pivotal movement of the plate I3 in one direction 45
relative thereto, the plate Iii-having a boss l5’
adapted to engage the V-shaped element 6 to
restrict the pivotal movement in the opposite di
rection. ‘Integral with the hinge plate I3 is a
projecting element l6" supporting a pin l'l so 50
that it projects into the L-shaped slot 9.
Referring to Figure 1 it will be seen that the
_
pin I‘IVis' held by the projecting element l6 at
the end of one of the legs of the slot 9.
There
fore when manual pressure is applied against the 55
2
.
2,1 16,758
igldoor tending to open the same the pin l1 en the invention and such changes are contemplated.
gages the side wall of the slot 9 and prevents piv
otal movement of the plate I 3 with respect to
the V-shaped element 6. The pressure on the
.door therefore moves the angular element 6
What I claim is:—
-
1. A concealed hinge of the class described com
prising a housing butt part, and a hook arm butt
around its pivot 5 and in so doing the projecting
part, said arm being pivotally mounted within the
housing and adapted to swing inwardly and out
element l6 carries the pin I‘! to the apex of the
slot 9, as shown in Fig. 3. At the time the pin
wardly with respect thereto on said pivot, said
arm-including a supplemental arm part movable
I‘! reaches the apex of the slot 9 the angular
with and independently of the ?rst named arm.
element 6 is‘moved into engagement with the lug
In which positively prevents further pivotal
the butthousing in its respective movements.
and means for guiding the supplemental arm in 10
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2. A concealed hinge of the class described com
With the parts of the hinge in the position prising a housing butt part and a hook arm butt
shown in Fig. 3, pressure tending to move the door part, said arm beingxpivotally mounted within
15 H toward an open position causes the plate l3 to the housing and adapted \to swing inwardly and
pivot around the pin l4 and this movement is outwardly with respect thereto on said pivot, said
accompanied by movement of the pin [1 from 'a'rm includirm a supplemental‘armpart movable
the apex of the slot 9 into the other leg thereof. with and independently of the ?rstsbnamed arm,
At the time the door ‘ll reaches its fully opened means for guiding the supplemental arm in the
20 position the lug 15 will engage the surface of the butt housing in its respective movements-and
V-shaped element 6 as shown in Fig. 2, to'prevent .the free end portions of the ?rst namedand
further pivotal movement of the plate l3 relative supplemental arms having interengaging pintle
to the pin M. The door is shown in its fully bearings with a common pintle mounted in said
movement thereof.
opened position in Fig. 2.
26
30
'
.
bearings to provide relative hinge movement be?‘
When pressure is applied upon the door tend
tween said arms.
'
ing to move the same from the position shown'in
3. ‘A concealed hinge of the class described com
Fig. 2 to that shown in Fig. 1, the pin ll. being . prising a housing butt part and a hook arm butt
at this time disposed in the other leg of the slot ‘ part, said arm being pivotally mounted within the
9, acts to prevent pivotal movement of the V
housing and adapted to‘swing inwardly and ‘out
shaped element 6 with respect to its pivot 5. The
pressure therefore moves the plate l3 pivotally
with respect to the pin l4 and the ‘pin I1 is
moved to the apex of the slot 9. At the time the
pin l1 reaches the apex of the slot 9 the boss l5’
36 will be in engagement with a surface of the
V-shaped element ,6 and will limit- the pivotal
movement of the plate l3 relative to the element
6. Continued pressure therefore tends to pivot
the element 6 and such movement is permitted be
40 cause at this time the pin I1 is disposed in the
apex of the slot 9.
Although a speci?c embodiment has been il
lustrated and described, it will be understood that
various changes may be made within the scope
of the claims without departing from the spirit of
wardly with respect thereto on said pivot, said "
arm including a supplemental arm part movable
with and independently of the ?rst named arm,
means for guiding the supplemental arm in the
butt housing in its respective movement, the
free end portions .of the ?rst named and supple
mental arms having interengaging pintle bear
ings with a common pintle mounted in said bear
ings to provide relative hinge movement between
said arms, and the means for guiding the sup-‘
plemental arm in its movement with respect to 40
said housing comprising a pin on the supple
mental arm operating in curved channels having
two distinct axes.
REX C. JACOBS.
45
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